Mercedes-Benz C-Class MOT Results

Registered in 2010
70.6% pass rate
from 3,012 tests in 2020
(16% better than other 2010 cars)
Pass rate by mileage
Failure rates by item

Here you can drill down into the failure rates for each item on the test. We've also compared the rates to the average results for 2010 cars and highlighted areas where the Mercedes-Benz C-Class is unusually good or bad.

  • 9.2% fail on Suspension (15% better than other 2010 cars)
    • 5.0% fail on Suspension arms (57% worse than other 2010 cars)
      • 3.6% fail on Ball joint (110% worse than other 2010 cars)
      • 1.2% fail on Ball joint dust cover (3 times worse than other 2010 cars)
      • 0.66% fail on Pins and bushes (48% better than other 2010 cars)
      • 0.066% fail on Suspension arm
      • 0.033% fail on Attachment bracket and mounting
    • 2.5% fail on Springs (35% better than other 2010 cars)
      • 2.5% fail on Coil springs (35% better than other 2010 cars)
        • 2.5% fail on Coil spring (34% better than other 2010 cars)
    • 2.0% fail on Anti-roll bars (30% better than other 2010 cars)
      • 1.2% fail on Linkage ball joint dust cover
      • 0.37% fail on Ball joint dust cover
      • 0.33% fail on Linkage ball joints (63% better than other 2010 cars)
      • 0.100% fail on Ball joint
      • 0.033% fail on Pins and bushes
    • 0.23% fail on Other suspension component
      • 0.20% fail on Ball joint
      • 0.066% fail on Pins and bushes
    • 0.20% fail on Sub-frames
      • 0.13% fail on Sub-frame (3 times worse than other 2010 cars)
      • 0.066% fail on Pins and bushes
    • 0.13% fail on Wheel bearings (70% better than other 2010 cars)
    • 0.13% fail on Shock absorbers (90% better than other 2010 cars)
    • 0.033% fail on Macpherson strut
      • 0.033% fail on Macpherson strut
    • 0.033% fail on Suspension rods
      • 0.033% fail on Pins and bushes
  • 8.8% fail on Lamps, reflectors and electrical equipment (32% better than other 2010 cars)
    • 2.7% fail on Direction indicators (46% worse than other 2010 cars)
      • 2.7% fail on Flashing type (46% worse than other 2010 cars)
        • 1.6% fail on Side repeaters (160% worse than other 2010 cars)
        • 1.1% fail on Individual direction indicators
        • 0.066% fail on All direction indicators
    • 2.5% fail on Headlamps
      • 2.4% fail on Headlamp
      • 0.13% fail on Headlamp levelling device
      • 0.033% fail on Headlamp cleaning device
    • 2.5% fail on Headlamp aim
      • 2.3% fail on Headlamp aim
      • 0.27% fail on Headlamp aim not tested
    • 1.7% fail on Position lamps
      • 1.6% fail on Position lamp
      • 0.033% fail on All position lamps
    • 1.1% fail on Stop lamp (62% better than other 2010 cars)
    • 0.53% fail on Registration plate lamp(s) (75% better than other 2010 cars)
    • 0.27% fail on Front and rear fog lamps
      • 0.27% fail on Rear fog lamp
        • 0.23% fail on Rear fog lamp
        • 0.033% fail on Switch
    • 0.066% fail on Reversing lamps
      • 0.066% fail on Reversing lamps
    • 0.033% fail on Outline marker lamps
      • 0.033% fail on Outline marker lamp
    • 0.033% fail on Electrical equipment
      • 0.033% fail on Horn
  • 8.0% fail on Brakes
    • 3.4% fail on Rigid brake pipes (5 times worse than other 2010 cars)
    • 2.6% fail on Mechanical brake components
      • 2.3% fail on Brake linings and pads
        • 2.3% fail on Brake pads
      • 0.53% fail on Brake discs and drums (47% better than other 2010 cars)
        • 0.53% fail on Brake discs (47% better than other 2010 cars)
      • 0.033% fail on Brake cables, rods, levers and linkages
        • 0.033% fail on Cable
    • 2.2% fail on Brake performance (30% better than other 2010 cars)
      • 1.2% fail on Parking brake efficiency (sp)
        • 1.2% fail on Rbt (sp)
      • 0.96% fail on Service brake performance (43% better than other 2010 cars)
        • 0.90% fail on Rbt (45% better than other 2010 cars)
          • 0.83% fail on Service brake performance (40% better than other 2010 cars)
          • 0.13% fail on Service brake imbalance
        • 0.066% fail on Plate brake tester
          • 0.033% fail on Service brake performance
          • 0.033% fail on Service brake efficiency (Trikes, quads and pre-68 vehicles)
      • 0.56% fail on Parking brake performance
        • 0.50% fail on Rbt
          • 0.40% fail on Parking brake performance
          • 0.13% fail on Parking (secondary brake performance)
        • 0.066% fail on Plate brake tester
          • 0.033% fail on Parking brake performance
          • 0.033% fail on Parking (secondary brake performance)
      • 0.27% fail on Service Brake Efficiency (sp)
        • 0.23% fail on Rbt (sp)
          • 0.13% fail on Service brake performance
          • 0.100% fail on Service brake imbalance
        • 0.033% fail on Decelerometer (sp)
      • 0.033% fail on Brake performance not tested
    • 0.13% fail on Hydraulic systems
      • 0.100% fail on Brake fluid
      • 0.033% fail on Servos
    • 0.13% fail on ABS / EBS / ESC
      • 0.066% fail on Anti-lock braking system
      • 0.066% fail on Electronic stability control
    • 0.100% fail on Service brake pedal or hand lever
      • 0.066% fail on Pedal
      • 0.033% fail on Hand lever
    • 0.033% fail on Parking brake control
      • 0.033% fail on Lever
    • 0.033% fail on Flexible brake hoses
    • 0.033% fail on Brake actuators (including spring brakes or hydraulic cylinders)
      • 0.033% fail on Hydraulic brake callipers
  • 6.5% fail on Tyres
    • 4.4% fail on Tread depth
    • 2.2% fail on Condition
    • 0.33% fail on Size/type
  • 2.4% fail on Visibility (52% better than other 2010 cars)
    • 1.2% fail on Wipers (52% better than other 2010 cars)
    • 1.00% fail on Washers (57% better than other 2010 cars)
    • 0.20% fail on Driver's view
    • 0.066% fail on Bonnet
    • 0.033% fail on View to rear
      • 0.033% fail on Mirrors
  • 2.3% fail on Noise, emissions and leaks
    • 2.1% fail on Exhaust emissions
      • 1.2% fail on Spark ignition
        • 1.00% fail on Malfunction indicator lamp
        • 0.23% fail on Catalyst emissions (64% better than other 2010 cars)
      • 0.96% fail on Compression ignition
        • 0.73% fail on Malfunction indicator lamp (81% worse than other 2010 cars)
        • 0.17% fail on On or after 01/07/2008 (76% better than other 2010 cars)
        • 0.033% fail on Pre 01/07/2008 Turbo
        • 0.033% fail on Emissions not tested
    • 0.23% fail on Fluid leaks
      • 0.20% fail on Engine oil leaks
      • 0.033% fail on Other leaks
  • 1.1% fail on Body, chassis, structure (64% better than other 2010 cars)
    • 0.53% fail on Doors (2 times worse than other 2010 cars)
      • 0.23% fail on Other passenger's door (3 times worse than other 2010 cars)
        • 0.23% fail on Door condition (3 times worse than other 2010 cars)
      • 0.20% fail on Driver's door (4 times worse than other 2010 cars)
        • 0.20% fail on Door condition (4 times worse than other 2010 cars)
      • 0.100% fail on Front passenger's door
        • 0.100% fail on Door condition
    • 0.46% fail on Exhaust system (66% better than other 2010 cars)
    • 0.033% fail on Bumpers
    • 0.033% fail on Transmission
      • 0.033% fail on Drive shafts
        • 0.033% fail on Joints
    • 0.033% fail on Boot lid
      • 0.033% fail on Boot lid condition
    • 0.033% fail on Undertray
  • 0.86% fail on Steering (53% better than other 2010 cars)
    • 0.80% fail on Steering linkage components (48% better than other 2010 cars)
      • 0.70% fail on Track rod end (51% better than other 2010 cars)
      • 0.066% fail on Ball joint
      • 0.033% fail on Intermediate drop arm
    • 0.066% fail on Steering gear
      • 0.066% fail on Steering rack
  • 0.60% fail on Seat belts and supplementary restraint systems
    • 0.37% fail on SRS malfunction indicator lamp
    • 0.30% fail on Seat belts
      • 0.27% fail on Condition
      • 0.033% fail on Pre-tensioners
    • 0.033% fail on Airbags
      • 0.033% fail on Drivers airbag
  • 0.43% fail on Road Wheels
    • 0.27% fail on Attachment
    • 0.17% fail on Condition
  • 0.30% fail on Identification of the vehicle
    • 0.30% fail on Registration plates
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